CVE-2024-32993
📋 TL;DR
This CVE describes an out-of-bounds access vulnerability in a memory module affecting Huawei/HarmonyOS devices. Successful exploitation could cause system crashes or instability, affecting device availability. The vulnerability impacts Huawei smartphone users running affected HarmonyOS versions.
💻 Affected Systems
- Huawei smartphones with HarmonyOS
📦 What is this software?
Emui by Huawei
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash requiring device reboot, potentially causing data loss or service disruption.
Likely Case
Application crashes or system instability requiring user intervention to restore normal operation.
If Mitigated
Minimal impact with proper memory protections and isolation mechanisms in place.
🎯 Exploit Status
CWE-362 indicates a race condition vulnerability, suggesting exploitation requires specific timing conditions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: May 2024 security updates
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/5/
Restart Required: Yes
Instructions:
1. Check for system updates in device Settings. 2. Install May 2024 security update. 3. Restart device after installation completes.
🔧 Temporary Workarounds
Restrict app permissions
allLimit app permissions to reduce attack surface for potential malicious applications
🧯 If You Can't Patch
- Isolate affected devices from critical networks
- Implement application allowlisting to prevent untrusted apps from running
🔍 How to Verify
Check if Vulnerable:
Check device security patch level in Settings > About phone > Build numberCheck Version:
Not applicable - check through device settings UIVerify Fix Applied:
Verify security patch level shows May 2024 or later date📡 Detection & Monitoring
Log Indicators:
- System crash logs
- Kernel panic messages
- Memory access violation errors
Network Indicators:
- None - local vulnerability
SIEM Query:
Not applicable for local device vulnerability🔗 References
- https://consumer.huawei.com/en/support/bulletin/2024/5/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202405-0000001902628049
- https://consumer.huawei.com/en/support/bulletin/2024/5/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202405-0000001902628049
